EP0841756A3 - An improved correlator circuit for a six-port receiver - Google Patents

An improved correlator circuit for a six-port receiver Download PDF

Info

Publication number
EP0841756A3
EP0841756A3 EP97308945A EP97308945A EP0841756A3 EP 0841756 A3 EP0841756 A3 EP 0841756A3 EP 97308945 A EP97308945 A EP 97308945A EP 97308945 A EP97308945 A EP 97308945A EP 0841756 A3 EP0841756 A3 EP 0841756A3
Authority
EP
European Patent Office
Prior art keywords
port receiver
correlator circuit
improved correlator
local oscillator
improved
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP97308945A
Other languages
German (de)
French (fr)
Other versions
EP0841756A2 (en
Inventor
Jari Hyyrylainen
Tommi Ylamurto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Oyj
Original Assignee
Nokia Mobile Phones Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Publication of EP0841756A2 publication Critical patent/EP0841756A2/en
Publication of EP0841756A3 publication Critical patent/EP0841756A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/18—Networks for phase shifting
    • H03H7/21—Networks for phase shifting providing two or more phase shifted output signals, e.g. n-phase output
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H2007/0192—Complex filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Noise Elimination (AREA)

Abstract

A correlator circuit for a six port receiver wherein the received signal is summed with a local oscillator signal at various phase angles and wherein the phase rotation between the local oscillator and RF signals is carried out separately from the summing of the correlator outputs.
EP97308945A 1996-11-07 1997-11-07 An improved correlator circuit for a six-port receiver Withdrawn EP0841756A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US74702296A 1996-11-07 1996-11-07
US747022 1996-11-07

Publications (2)

Publication Number Publication Date
EP0841756A2 EP0841756A2 (en) 1998-05-13
EP0841756A3 true EP0841756A3 (en) 2001-11-28

Family

ID=25003347

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97308945A Withdrawn EP0841756A3 (en) 1996-11-07 1997-11-07 An improved correlator circuit for a six-port receiver

Country Status (1)

Country Link
EP (1) EP0841756A3 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69831789T2 (en) * 1997-08-08 2006-07-06 Sony Deutschland Gmbh CALIBRATION OF AN N-PORT RECEIVER
EP0896455B1 (en) * 1997-08-08 2006-11-02 Sony Deutschland GmbH Non-coherent 6-port receiver
EP0957614A1 (en) * 1998-05-14 1999-11-17 Sony International (Europe) GmbH N-port demodulator for PSK or QAM signals
WO1999033166A1 (en) 1997-12-18 1999-07-01 Sony International (Europe) Gmbh N-port direct receiver
EP1061660B1 (en) * 1999-06-16 2006-08-09 Sony Deutschland GmbH N-port receiver with RF/LO isolation
EP1189338A1 (en) * 2000-09-06 2002-03-20 Sony International (Europe) GmbH I/Q demodulator device with three power detectors and two A/D converters
KR100475124B1 (en) 2003-01-15 2005-03-10 삼성전자주식회사 Direct conversion receiver for calibrating phase and gain mismatch
FR2876517B1 (en) 2004-10-08 2009-04-10 Groupe Ecoles Telecomm DEMODULATOR AND MODULATOR-DEMODULATOR BY DIRECT FREQUENCY CONVERSION
US9992722B2 (en) 2015-12-14 2018-06-05 Huawei Technologies Canada Co., Ltd. Reconfigurable multi-mode and multi-bands radio architecture and transceiver

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0265073A1 (en) * 1986-10-21 1988-04-27 Marconi Instruments Limited Test arrangement

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0265073A1 (en) * 1986-10-21 1988-04-27 Marconi Instruments Limited Test arrangement

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
LI J ET AL: "A SIX-PORT DIRECT DIGITAL MILLIMETER WAVE RECEIVER", IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM DIGEST. SAN DIEGO, MAY 23 - 27, 1994, NEW YORK, IEEE, US, vol. 3, 23 May 1994 (1994-05-23), pages 1659 - 1662, XP000512814, ISBN: 0-7803-1779-3 *

Also Published As

Publication number Publication date
EP0841756A2 (en) 1998-05-13

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